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GC542K1 — LOOP,STRAP FASTENER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC542K1: LOOP,STRAP FASTENER.

The LOOP,STRAP FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, inside_width: 0.263 INCHES NOMINAL IN, inside_length: 0.354 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN, outside_width: 0.327 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, overall_length: 0.530 INCHES NOMINAL IN, painted_feature: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-246-1233, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
GC542K1
NSN: 5340-01-246-1233
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
inside_width0.263 INCHES NOMINAL IN
inside_length0.354 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
outside_width0.327 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
overall_length0.530 INCHES NOMINAL IN
painted_featureNOT INCLUDED
surface_treatmentPASSIVATE
NSN5340-01-246-1233
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC542K1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INSIDE WIDTH: 0.263 INCHES NOMINAL IN
•
INSIDE LENGTH: 0.354 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
•
PAINTED FEATURE: NOT INCLUDED
•
OUTSIDE WIDTH: 0.327 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
INSIDE WIDTH0.263 INCHES NOMINAL IN
INSIDE LENGTH0.354 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
OVERALL LENGTH0.530 INCHES NOMINAL IN
PAINTED FEATURENOT INCLUDED
OUTSIDE WIDTH0.327 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC542K1?
GC542K1 is a LOOP,STRAP FASTENER.
What is the NSN for GC542K1?
GC542K1 is cataloged in the U.S. Government catalog under NSN 5340-01-246-1233. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.